OPI - Open Perimetry Initiative

The Open Perimetry Initiative is a project driven by a group of academics and industry representatives with the aim of reducing barriers to using commercially available visual field machines for research.

Several R packages are available to assist researchers:

• the Open Perimetry Interface (also called the OPI), for controlling visual field machines; and
• the R package visualFields, which has tools for analysing and manipulating visual field data.